| 摘要 |
<p>An agricultural composition which is efficacious against plant diseases caused by actinomycetes and highly safe for the environment, which composition contains at least one member selected among the following polymers as the active ingredient: (A) a water-soluble nitrogenous polymer prepared by the reaction of at least one compound selected from the group consisting of epihalohydrin, alkylene halide, diepoxide and dihalogenoalkyl ether with an amine represented by general formula (I), wherein R1, R2, R3 and R4 represent each hydrogen, C1 to C3 linear alkyl or branched alkyl; A represents C1 to C6 linear or branched alkyl; and n represents an integer of 0 to 5, (B) an alkyleneimine polymer, and (C) a copolymer thereof.</p> |
